Dżem is a blues rock band formed in Tychy, Poland. Ryszard Riedel, one of the most famous vocalists from Poland, worked with the band. Their songs include: "Czerwony jak cegła", "Whisky", "Wehikuł czasu", "Sen o Victorii", "Harley mój", "Mała aleja róż", "Naiwne pytania", "List do M." and many more.
